Displays a debug bar in the browser with information from php. No more var_dump() in your code!

Note: Debug Bar is for development use only. Never install this on websites that are publicly accessible.

Currently is released in January 2026. You can install it with composer require php-debugbar/php-debugbar:^3. See the Release Notes for more information and breaking changes.

Features:

• Generic Debug Bar for PHP projects
• Easy to integrate with any project
• Clean, fast and easy to use interface
• Handles AJAX request
• Includes generic data collectors and collectors for well known libraries
• The client side bar is 100% coded in plain javascript
• Easily create your own collectors and their associated view in the bar
• Save and re-open previous requests
• Very well documented

Includes collectors for:

• Messages
• Config
• Time
• Memory
• Exceptions
• PHP Info
• Request Data
• Templates
• Object Count
• PDO
• Monolog
• Symfony Mailer
• Symfony HttpFoundation

Checkout the demo for examples and php-debugbar.com for a live example.

Additional collectors are available here:

• Twig
• Doctrine
• Monolog
• Symfony

Integrations with other frameworks:

• Laravel
• Zend Framework 2
• Phalcon
• SilverStripe
• Grav CMS
• TYPO3
• Joomla
• Drupal
• October CMS
• Winter CMS
• Framework-agnostic middleware and PSR-7 with php-middleware/phpdebugbar
• Dotkernel Frontend Application

(drop me a message or submit a PR to add your DebugBar related project here)